CVE-2017-15115
kernel: use-after-free in sctp_cmp_addr_exact
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 17, 2017
Updated · June 28, 2026
Description
A vulnerability was found in the Linux kernel when peeling off an association to the socket in another network namespace. All transports in this association are not to be rehashed and keep using the old key in hashtable, thus removing transports from hashtable when closing the socket, all transports are being freed. Later on a use-after-free issue could be caused when looking up an association and dereferencing the transports.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6 as a code with the flaw is not present in the products listed.
This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 7 and Red Hat Enterprise MRG 2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 4.4CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-416 · Use After Free